UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zn+uJnPDuTjtRJFMxkzAtV06x9LDRhrEAmZmzDmCjG0=' 
WHERE 
  key_id = '6452fba64807e7fddd8447d53e2a2d044253b0ce699fc12969fcf38d97b3f55d' 
  AND (
    token = 'Zn+uJnPDuTjtRJFMxkzAtV06x9LDRhrEAmZmzDmCjG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )